15 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
About 15 Brook Street
15 Brook Street is a mid-terrace house in Blaenrhondda, Treorchy, Treorchy (CF42 5SG). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (July 2019) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in May 2019 the rating was E, the property has climbed 1 band since. The recommended improvements would push it to C (score 80).
Untraded for 24 years, with the last transfer in June 2002. Today's modelled estimate of £118,000 sits 353.8% above the 2002 sale of £26,000. On a £-per-square-foot basis, the last sale (£31/sq ft) was about 43.2% below the postcode norm.
Know exactly what you're buying at 15 Brook Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Planning history
15 Brook Street has no planning applications on record.
Notable planning nearby
6applications of note in the surrounding area
We flagged 1 thing worth checking at 15 Brook Street
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
15 Brook Street's modelled value sits at over four times its earliest registered sale price (2002).
£118,000
Modelled from EPC, postcode comparables.
£26,000
Recorded with HM Land Registry.
Sales timeline
20 June 2002Most recent
£26,000
Median price across the last 5 sales in CF42 5SG: £75,000 (2024–2023).
Nearby sales in CF42 5SG
3 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
Sold Oct 2024
£114,0001 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
Sold Sept 2024
£98,0004 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
Sold Apr 2023
£48,91416 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
Sold Nov 2022
£103,0007 Brook Street, Blaenrhondda, Treorchy, CF42 5SG
Sold Sept 2020
£115,000
Everything we know about 15 Brook Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Brook Street homes
Price per m² for 15 Brook Street lags the street by a wide margin.
Price per m²
£338
Street avg £834
Floor Area
77 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.0 t/year
Street avg 4.6 t/year
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1 Corbett Street, Treherbert
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Blaenrhondda Post Office — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.